Home / 19,889.89-27,448.13-10,937.18

Finding the Fourth Proportional to 19,889.89, 27,448.13 and 10,937.18

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Solution

The fourth proportional to 19,889.89, 27,448.13 and 10,937.18 is: 15,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.89 : 27,448.13 = 10,937.18 : x
  2. Step 2: Convert to fraction form
    19,889.89/27,448.13 = 10,937.18/x
  3. Step 3: Cross multiply
    19,889.89x = 27,448.13 × 10,937.18
  4. Step 4: Simplify right side
    19,889.89x = 300,205,138.47
  5. Step 5: Solve for x
    x = 300,205,138.47/19,889.89
  6. Step 6: Final answer
    x = 15,093.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.